HGX34e/255-4 S Bock semi-hermetic reciprocating compressor. Capacity 22.1 m3/h, 380-420 V/50 Hz, possibility of regulation 30-70 Hz (depending on operating envelope), suction 28 mm, discharge 22 mm, maximum current 12,5 A, oil fill BOCKlub E55, 1.3 L. Included with this item (code 097G2132) are the mount parts, INT69G, and oil heater.